Across
- 4. — Small light source that glows when current flows.
- 5. — Printed Circuit Board that supports and connects components.
- 6. — Device used to turn current on or off.
- 8. — Component that stores electric charge.
- 10. — Device that displays images or information visually
- 13. — Device that allows current to flow in one direction only.
- 14. — Type of signal that varies continuously.
- 17. — Unit used to measure resistance.
- 20. — Device that connects computer networks.
- 21. — Waves used for wireless transmission.
- 24. — The main processing unit of a computer.
Down
- 1. — Device that increases the strength of signals.
- 2. — Device that resists the flow of current.
- 3. — Device that converts electrical signals into sound.
- 7. — Global network connecting computers.
- 9. — Basic unit of digital information.
- 11. — Device that shows the waveform of signals.
- 12. — Component that converts sound into electrical signals.
- 15. — Device used to measure electric current.
- 16. — A material that allows current to pass easily.
- 18. — Communication that uses air as a medium.
- 19. — Component that stores energy in a magnetic field.
- 22. — Range of frequency between 30–300 MHz.
- 23. — Device used to measure electric voltage.